In C++
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NOT CORRECT.**
4. Implement a generic Map that supports the insert and lookup operations. The implementation will store a hash table of pairs (key, definition). You will lookup a definition by providing a key. The f
Answers
Certainly! Here's a possible implementation of a generic Map in C++ using a hash table:
```cpp
#include <iostream>
#include <unordered_map>
template<typename KeyType, typename ValueType>
class Map {
private:
std::unordered_map<KeyType, ValueType> data;
public:
void insert(const KeyType& key, const ValueType& value) {
data[key] = value;
}
ValueType lookup(const KeyType& key) {
if (data.find(key) != data.end()) {
return data[key];
}
else {
// Handle the case when the key is not found
// For example, you can throw an exception or return a default value
// Here, we are returning a default-constructed ValueType
return ValueType();
}
}
};
int main() {
// Example usage
Map<std::string, int> myMap;
myMap.insert("apple", 10);
myMap.insert("banana", 5);
std::cout << myMap.lookup("apple") << std::endl; // Output: 10
std::cout << myMap.lookup("banana") << std::endl; // Output: 5
std::cout << myMap.lookup("orange") << std::endl; // Output: 0 (default-constructed int)
return 0;
}
```
In this implementation, the `Map` class uses an `unordered_map` from the C++ Standard Library to store the key-value pairs. The `insert` function inserts a key-value pair into the map, and the `lookup` function retrieves the value associated with a given key. If the key is not found, it returns a default-constructed value (you can customize this behavior based on your requirements).
Related Questions
An employee of a large corporation remotely logs into the company using the appropriate username and password. The employee is attending an important video conference with a customer concerning a large sale. It is important for the video quality to be excellent during the meeting. The employee is unaware that after a successful login, the connection to the company ISP failed. The secondary connection, however, activated within seconds. The disruption was not noticed by the employee or other employees. What three network characteristics are described in this scenario
Answers
Answer: I gave 6 you can choose from.
Integrity
Scalability
Quality of Service
Fault of Tolerance
Powerline Networking
Security
If a pixel displayed on a screen has a red DN of 127, a green DN of 127, and a blue DN of 127, what color is the pixel
Answers
Answer:
gray
Explanation:
thats the mixture you get
Use this alphabet as a reference if needed:
ABCDEFGHIJKLMNOPORSTUVWXYZ
If CAT encodes as DCW, what would BEAR be?
Answers
Answer:
:FZD
Explanation:
According to the alphabet, if CAT encodes as DCW, then BEAR would be coded as CGDV.
What is Coding in reasoning?In reasoning, coding may be defined as a process that is used to hide the actual meaning of any word with respect to another word. In the question, the words of the letter CAT may be used similarly to DCW.
According to the question, CAT where C is increased by one letter of the alphabet, A is increased by two letters of the alphabet, and T is increased by three letters of the alphabet in order to make DCW.
Similarly, in BEAR, B is increased by one letter, E is increased by two letters, A is increased by three letters, and R is increased by four letters of the alphabet in order to make CGDV.
Therefore, according to the alphabet, if CAT encodes as DCW, then BEAR would be coded as CGDV.
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1.Open the document in ____________________ where you will create a table.
Answers
Answer:
That's Excel.
Explanation:
I play Among us :) hbu
Answers
Answer:nice
Explanation:u tryna play doe?
Orthogonality is when features of a programming language are intertwined heavily with each other. Using a feature may lead to side-effects with other featuresTrue or False
Answers
Programming language features are said to be orthogonal when they are closely entwined. The use of one feature could have an adverse influence on other ones. This assertion is untrue.
What is meant by programming language?Programmers (developers) use programming languages to interact with computers. Programming languages are made up of a set of rules that enable string values to be transformed into different forms of generating machine code, or, in the case of visual programming languages, graphical elements. The most popular coding language now in use worldwide is JavaScript. This is for good reason—one it's of the simplest languages to learn and is used by the majority of online browsers. Nearly little prior coding experience is necetoder to learn JavaScript; once you get started, you may start using it right away. Writing codes that a machine can understand is the focus of the programming discipline known as coding. The process of programming involves approving codes to construct programs.To learn more about programming language, refer to:
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What term is used to describe how mobile computing allows individuals to initiate real-time contact with other systems anywhere, any time since they carry their mobile device everywhere?.
Answers
Broad reach term is used to describe how mobile computing allows individuals to initiate real-time contact with other systems anywhere, any time since they carry their mobile device everywhere.
What exactly does mobile computing communication entail?
A form of communication known as mobile communications does not require a direct physical link between the sender and the recipient. During conversation, it makes it easier for users to travel from one physical location to another.Most popular forms of technology for communication-
GSM stands for Global Systems for Mobile Communications.Orthogonal Frequency Division Multiplexing (OFDM) is a technique used in the Long Term Evolution (LTE), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunication System (UMTS) systems.Learn more about mobile communications
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What is the power of 3 shch that it's power is 1/3 ?
Answers
Answer:
3/1-1
Explanation:
Which line of code outputs the decimal portion of a float stored in the
variable x?
Answers
Answer:
the answer is a
Explanation:
enter your entire script below. do not include statements to drop objects as your script will be executed against a clean schema. you may include select statements in sub queries in your insert statements, but do not include select queries that return records for display. continue to use the purchase 61 and purchase item 61 tables that you created and modified in the previous problems. increase the shippping cost of every purchase from manufacturers in massachusetts ('ma') by 10%. round your calculations to two decimal points. hint: use the in clause. do not use a join
Answers
UPDATE purchase61
SET shipping_cost = ROUND(shipping_cost * 1.10, 2)
WHERE manufacturer IN (SELECT manufacturer FROM purchaseitem61 WHERE state = 'MA')
How to update the column?This statement will update the shipping_cost column in the purchase61 table for every purchase where the manufacturer is in the list of manufacturers in Massachusetts, as determined by the subquery. The shipping cost will be increased by 10% by multiplying it by 1.10, and then rounded to two decimal points using the ROUND function.
Note that you should not use a join in this statement, as the IN clause allows you to compare values in the manufacturer column with the results of the subquery without using a join.
This can make the statement more efficient and easier to read.
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A website design can be rated as acceptable if it enables the site to fulfill its purpose and also
does not contain any broken, mislabeled, or misdirected hyperlinks.
contains a link to the site map on the main navigation menu.
meets audience expectations for navigation, layout, and readability.
implements a site search feature in addition to a main navigation menu.
Answers
Answer:
does not contain any broken, mislabeled, or misdirected hyperlinks.
Explanation:
All the other answers don't make sense, you are not looking to meet the audiences needs, you want to make sure the website is good enough to be considered acceptable, I only see this answer as possible.
Answer:
(A) does not contain any broken, mislabeled, or misdirected hyperlinks.
your company issues smart phones to employees for business use. corporate policy dictates that all data stored on smart phones must be encrypteto which fundamental security concept does this apply?
Answers
This policy applies to the fundamental security concept of data encryption, which is the process of encoding data so that it is secure and inaccessible to anyone without the encryption key.
Data encryption is a fundamental security concept that is used to protect data from unauthorized access. When data is encrypted, it is encoded using an encryption algorithm and a key, making it inaccessible to anyone without the key. Encryption is an important security measure, as it ensures that data is secure even if it is compromised. By requiring that all data stored on smart phones be encrypted, a company can ensure that sensitive information stored on these devices is secure from unauthorized access. Encryption also provides an additional layer of protection against malicious actors, as it makes it more difficult for them to access the information stored on the device. Encryption is an essential security measure, and enforcing it through corporate policy is an effective way to protect data stored on smart phones.
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give 4 example for echinodermis cnidarians poriferas platyhilminthes nematodes and annerids
Answers
Answer:
Among the largest and most important invertebrate phyla are Porifera (sponges), Cnidaria (jellyfish, corals, and sea anemones), Platyhelminthes (flatworms), Nematoda (roundworms), Mollusca (snails, bivalves, squids, and octopuses), Annelida (segmented worms), Arthropoda (horseshoe crabs, spiders, crabs, centipedes, ..
A(n) ____ consists of programs designed to make users more productive and/or assist them with personal tasks. Group of answer choices log-in account Start screen operating system app
Answers
An app consists of programs designed to make users more productive and/or assist them with personal tasks. An application (app) is a term for software applications that can be executed on a computing device, such as a smartphone, tablet, or laptop computer.
An app typically refers to software designed for a specific purpose, such as a productivity app for creating documents or a game app for entertainment. Some apps are pre-installed on devices, while others can be downloaded from app stores or websites. In general, apps are designed to be easy to use and accessible, with intuitive user interfaces that allow users to interact with the software without requiring specialized technical knowledge.
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A processor requires 5 clock pulses for all instructions and has a 20 clock cycle delay when accessing memory (e.g. memory access instructions require 25 clock pulses, all others require only 5). A program executes 100 instructions, 20 of which are memory access instructions. If an improvement to the processor reduces the memory delay to 16 clock pulses, what is the speedup of the CPI for this program
Answers
The speedup of the CPI (Clocks Per Instruction) for the program can be determined by comparing the CPI of the original processor configuration with the CPI of the improved processor configuration. In this case, the memory delay is reduced, leading to a potential improvement in the overall performance.
To calculate the speedup of the CPI for the program, we need to compare the CPI of the original processor configuration with the CPI of the improved processor configuration. The CPI is determined by dividing the total clock cycles by the total number of instructions. In the original processor configuration, all instructions require 5 clock pulses, except for memory access instructions which incur an additional 20 clock cycle delay. The program consists of 100 instructions, with 20 being memory access instructions. Thus, the total clock cycles for the original configuration can be calculated as:
Total clock cycles = (5 * (100 - 20)) + (25 * 20) = 950
The CPI for the original processor configuration is:
CPI = Total clock cycles / Total number of instructions = 950 / 100 = 9.5
In the improved processor configuration, the memory delay is reduced to 16 clock pulses. Consequently, the total clock cycles can be calculated as:
Total clock cycles = (5 * (100 - 20)) + (16 * 20) = 780
The CPI for the improved processor configuration is:
CPI = Total clock cycles / Total number of instructions = 780 / 100 = 7.8
To determine the speedup of the CPI, we divide the original CPI by the improved CPI:
Speedup = Original CPI / Improved CPI = 9.5 / 7.8 ≈ 1.22
Therefore, the speedup of the CPI for this program is approximately 1.22. This implies that the improved processor configuration is approximately 1.22 times faster than the original configuration in terms of the CPI for this specific program.
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Which type of influencer often has the smallest following, but the highest engagement rate?
Answers
The type of influencer that often has the smallest following, but the highest engagement rate is known as the micro-influencer.
Micro-influencers are individuals who have a small, niche following ranging from 1,000 to 100,000 followers. However, despite their smaller reach, they are able to generate high engagement rates because their followers are highly engaged with their content, and they are considered experts in their respective fields. Micro-influencers are seen as more authentic and relatable because they often have a closer relationship with their followers. They are able to engage in genuine conversations with their followers and are more likely to respond to comments and direct messages, which in turn increases their engagement rate. Micro-influencers also tend to have a more niche audience, which means they are able to target a specific group of people who are more likely to engage with their content.Brands are recognizing the value of micro-influencers and are partnering with them to promote their products or services. Because micro-influencers have a smaller following, they are also more affordable for brands to work with, making it a win-win situation for both parties.For such more questions on Micro-influencers
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Statement A: An OLTP system is able to cope with real-time, simultaneous transactions which the database server is able to process in a huge volume.Statement B: An OLAP system uses large amounts of operational data to run complex queries on and provide insights for tactical and strategical decision making.Which statement(s) is/are correct?A) Only BB) Only AC) Neither A nor BD) Both A&BD) Both A&B
Answers
Both statements A & B are correct. An OLTP system is capable of handling real-time, concurrent transactions that can be processed in large numbers by the database server.
The OLTP system is used to manage transactional processes that involve the operation of an organization's key business functions.
OLTP (Online Transaction Processing) is a software application that helps to manage data and transaction requests from various organizations. The most important function of an OLTP system is to enable real-time transaction processing for users.
A huge volume of operational data is used by OLAP systems to operate complex queries and provide insights for tactical and strategic decision making. The OLAP system is a powerful tool for business analysis that is used to extract and evaluate large amounts of data from various sources for analytical purposes.
OLAP (Online Analytical Processing) is a technology that enables the analysis of multidimensional data from various perspectives. It enables the user to analyze large amounts of data in real-time, in order to make informed decisions for the organization.
OLTP systems and OLAP systems are two different types of systems that are used for different purposes. The former is used to manage transactional processes that involve the operation of an organization's key business functions while the latter is used for business analysis that is used to extract and evaluate large amounts of data from various sources for analytical purposes.
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What number will be output by the console.log command on line 5?
A. 10
B. 25
C. 30
D. 35
Answers
Answer:
The output is 35
Explanation:
Required
Determine the output on line 5
We start by analysing the program line by line.
On line 1: kit = 20
On line 2: roo = 10
On line 3: kit = kit + 5
Substitute 20 for kit.
So, we have
kit = 20 + 5
kit = 25
On line 4:
roo = kit + roo
Substitute values for kit and too
roo = 25 + 10
roo = 35
On line 5: Output roo
So, 35 is displayed as an output
In a day, a car passes n
kilometers. How many days does it take to travel a route of length m
kilometers?
The program receives as input in the first line a natural number n
and in the second line a non-negative integer m
. Python code
Answers
#Calculate days.
def calculateDay(m, n):
assert isinstance(m, int) and m >= 0, "m should be a natural number."
assert isinstance(n, int) and n > 0, "n shouldn't be negative."
return m/n
#Main function
def Main():
m, n = input().split()
print(f'Result: {calculateDay(int(m),int(n)):.2f} days.')
#Point.
if(__name__ == "__main__"):
Main()
A solar panel installation company wants to expand into a new state and they want to learn what home owners understand about solar panels. They post a series of questions on their social media platforms to gather information and ideas about how to expand in this new area. The posts go viral and they collect thousands of responses, questions, and criticisms. What is this behavior called?
Answers
Answer:
This behavior is called Crowdsourcing.
how to make siri announce messages louder on airpods
Answers
Answer:
On your iPhone or iPad, go to Settings > Accessibility > AirPods. Select your AirPods, then adjust Tone Volume.
Can anybody tell me why when I use my camera to scan the question is not working?
Answers
Answer:
Have you tried reseting or updating your device?
Explanation:
Answer:
im not sure, I tried scanning a question, and when I do it scans only half the question.
Explanation:
why does elephant has thicker legs? Explain in terms of breaking stress?
Answers
Answer:
Since volume is proportional to area, volume is inversely proportional to pressure.
An elephant has a greater weight towards Earth's surface, so it has a larger legs of larger volume which exerts less pressure on Earth's surface in order to prevent it from immersing in soil, or soft land
----------------------------
Please summarize into 1.5 pages only
----------------------------
Virtualization
Type 2 Hypervisors
"Hosted" Approach
A hypervisor is software that creates and runs VM ins
Answers
Virtualization: It is a strategy of creating several instances of operating systems or applications that execute on a single computer or server. Virtualization employs software to reproduce physical hardware and create virtual versions of computers, servers, storage, and network devices. As a result, these virtual resources can operate independently or concurrently.
Type 2 Hypervisors: Type 2 hypervisors are hosted hypervisors that are installed on top of a pre-existing host operating system. Because of their operation, Type 2 hypervisors are often referred to as "hosted" hypervisors. Type 2 hypervisors offer a simple method of getting started with virtualization. However, Type 2 hypervisors have some limitations, like the fact that they are entirely reliant on the host operating system's performance.
"Hosted" Approach: The hosted approach entails installing a hypervisor on top of a host operating system. This hypervisor uses hardware emulation to create a completely functional computer environment on which several operating systems and applications can run concurrently. In general, the hosted approach is used for client-side virtualization. This method is easy to use and is especially useful for the creation of virtual desktops or the ability to run many operating systems on a single computer.
A hypervisor is software that creates and runs VM instances: A hypervisor, also known as a virtual machine manager, is software that creates and manages virtual machines (VMs). The hypervisor allows several VMs to execute on a single physical computer, which means that the computer's hardware can be utilized more efficiently. The hypervisor's role is to manage VM access to physical resources such as CPU, memory, and I/O devices, as well as to provide VM isolation.
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What is a typical org-type domain name for a univeristy in the United States?
a.net
b.org
c.gov
d.eduu
Answers
The typical org-type domain name for a university in the United States is ".edu" which is reserved for educational institutions. Option D is answer.
This domain is restricted to post-secondary institutions that are accredited by an agency on the U.S. Department of Education's list of nationally recognized accrediting agencies. These institutions are typically colleges, universities, and other educational institutions that offer degrees or certificates. This domain helps to ensure that the institution is recognized as a legitimate educational entity and provides a sense of trust and credibility to its website visitors. Therefore, option D, ".edu," is the correct answer.
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I need help answering this question? Which problem does IPv6 (Internet Protocol version 6) help to solve?
a. Companies waste hundreds of public IP addresses. With IPv6, they can use just one IP address.
b. There are less than 4.3 billion IPv4 addresses, which has already been exceeded with existing websites.
c. IPv5 is an outdated protocol version with insufficient security safeguards.
Answers
In this case we use the definition of volumes, which says that the volume displaced fluid on one side of the Pistons should be equal to the volume displaced on the other side of the piston.
What is force?The force exerted at the large piston will be double in magnitude in comparison with the force applied at the smaller piston.
We know, according to the pascal's law,
The pressure applied at any point in the incompressible fluid is equal in magnitude at each and every point.
So,
P = Force/Area
Where P is pressure,
If pressure is same, then we can write,
F₁/A₁ = F₂/A₂
Where,
F₁ is the force applied at the small piston,
A₁ is the area of the smaller piston,
F₂ is the force at the larger piston,
A₂ is the area of the larger piston,
It is also given that, area if the larger piston is two times the area of the smaller piston so,
A₂ = 2A₁
So, putting the values we get,
F₂/F₁ = 2
So, F₂ = 2F₁
It means that the force exerted by the larger piston will be double in magnitude.
Therefore, In this case we use the definition of volumes, which says that the volume displaced fluid on one side of the Pistons should be equal to the volume displaced on the other side of the piston.
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When you add a ____account, you can sign in to the account and then sync your information with all of your Windows devices. a. cross-app b. custom c. Microsoft d. touch
Answers
You can log in to a Microsoft account when you add it, and then all of your Windows devices will be synced with your data.
What kind of information is stored in your user account?A username, password, and any personal data pertaining to the user make up a user account. User accounts are commonly used in networks that need to be accessible by numerous people.
Whose account has total authority over the operating system?In the course of installing Windows, the Administrator account is the first to be established. All local device files, directories, services, and other resources are completely under the control of the Administrator account. Other local users may be created, and user rights and permissions may be assigned by the Administrator account.
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Choose the correct term to complete the sentence.
AUPs are also known as ______.
email policies
electronic conduct
standard policies
company policies
Answers
Answer:
Explanation:
standard policies
AUPs are also known as company policies. Check more about AUP below.
What is AUP?This is known to be the acceptable use policy (AUP). This policy pertains to the use of a document and it tells one the practices that a user must adhere to for one to be able to access to a network or the Internet.
Conclusively, Note that a lot of businesses and educational facilities do need that employees or students promised or sign a form of acceptable use policy before they are given network ID and thus it is company policy.
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hris has received an email that was entirely written using capitalization. He needs to paste this text into another document but also ensure that the capitalization is removed.
What should Chris do?
Answers
An electrical contractor's records during the last five weeks indicate the number of job requests:
Week: 1 2 3 4 5
Requests: 23 29 23 28 25
Click here for the Excel Data File
Predict the number of requests for week 6 using each of these methods:
a. Naive.
b. A four-period moving average. (Round your answer to 2 decimal places.)
c. Exponential smoothing with α = 0.20. Use 22 for week 2 forecast. (Round your intermediate forecast values and final answers to 2 decimal places.)
Answers
To predict the number of requests for week 6 using different forecasting methods based on the provided data:
a. Naive Method:
The naive method assumes that the forecast for the next period is equal to the value of the last observed period. Therefore, the forecast for week 6 would be 25, which is the number of requests in week 5.
b. Four-period Moving Average:
To use the four-period moving average method, we take the average of the last four observations and use it as the forecast for the next period. Let's calculate it:
(23 + 29 + 23 + 28) / 4 = 26.25
Rounded to 2 decimal places, the forecast for week 6 using the four-period moving average method is 26.25.
c. Exponential Smoothing with α = 0.20:
Exponential smoothing gives more weight to recent observations. We'll use the given starting forecast for week 2 (22) and calculate the forecast for week 6 using the exponential smoothing formula. Let's calculate it step by step:
First, calculate the forecast for week 3:
Forecast Week 3 = α * Actual Week 2 + (1 - α) * Forecast Week 2
= 0.20 * 22 + (1 - 0.20) * 22
= 4.4 + 17.6
= 22
Next, calculate the forecast for week 4:
Forecast Week 4 = α * Actual Week 3 + (1 - α) * Forecast Week 3
= 0.20 * 23 + (1 - 0.20) * 22
= 4.6 + 17.6
= 22.2
Similarly, calculate the forecast for week 5:
Forecast Week 5 = α * Actual Week 4 + (1 - α) * Forecast Week 4
= 0.20 * 28 + (1 - 0.20) * 22.2
= 5.6 + 17.76
= 23.36
Finally, calculate the forecast for week 6:
Forecast Week 6 = α * Actual Week 5 + (1 - α) * Forecast Week 5
= 0.20 * 25 + (1 - 0.20) * 23.36
= 5 + 18.688
= 23.69
Rounded to 2 decimal places, the forecast for week 6 using exponential smoothing with α = 0.20 is 23.69.
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